2020 May 30 Breaking Changes Update (#9215)

* Branch point for 2020 May 30 Breaking Change

* Migrate `ACTION_LAYER_TOGGLE` to `TG()` (#8954)

* Migrate `ACTION_MODS_ONESHOT` to `OSM()` (#8957)

* Migrate `ACTION_DEFAULT_LAYER_SET` to `DF()` (#8958)

* Migrate `ACTION_LAYER_MODS` to `LM()` (#8959)

* Migrate `ACTION_MODS_TAP_KEY` to `MT()` (#8968)

* Convert V-USB usbdrv to a submodule (#8321)

* Unify Tap Hold functions and documentation (#8348)

* Changing board names to prevent confusion (#8412)

* Move the Keyboardio Model01 to a keyboardio/ subdir (#8499)

* Move spaceman keyboards (#8830)

* Migrate miscellaneous `fn_actions` entries (#8977)

* Migrate `ACTION_MODS_KEY` to chained mod keycodes (#8979)

* Organizing my keyboards (plaid, tartan, ergoinu) (#8537)

* Refactor Lily58 to use split_common (#6260)

* Refactor zinc to use split_common (#7114)

* Add a message if bin/qmk doesn't work (#9000)

* Fix conflicting types for 'tfp_printf' (#8269)

* Fixed RGB_DISABLE_AFTER_TIMEOUT to be seconds based & small internals cleanup (#6480)

* Refactor and updates to TKC1800 code (#8472)

* Switch to qmk forks for everything (#9019)

* audio refactor: replace deprecated PLAY_NOTE_ARRAY (#8484)

* Audio enable corrections (2/3) (#8903)

* Split HHKB to ANSI and JP layouts and Add VIA support for each (#8582)

* Audio enable corrections (Part 4) (#8974)

* Fix typo from PR7114 (#9171)

* Augment future branch Changelogs (#8978)

* Revert "Branch point for 2020 May 30 Breaking Change"

8 files changed, 348 insertions, 75 deletions

diff --git a/keyboards/lily58/keymaps/chuan/config.h b/keyboards/lily58/keymaps/chuan/config.h
new file mode 100644
index 0000000000..fa93060db1
--- /dev/null
+++ b/keyboards/lily58/keymaps/chuan/config.h
@@ -0,0 +1,64 @@
+/*
+This is the c configuration file for the keymap
+
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+// #define USE_MATRIX_I2C
+
+//  #define USE_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+// #define SSD1306OLED
+
+#define USE_SERIAL_PD2
+
+#define TAPPING_FORCE_HOLD
+
+/* define tapping term */
+#define TAPPING_TERM 200
+
+
+#undef RGBLED_NUM
+#define RGBLIGHT_ANIMATIONS
+#define RGBLED_NUM 27
+#define RGBLIGHT_LIMIT_VAL 120
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
+
+#define ENCODERS_PAD_A { F4 }
+#define ENCODERS_PAD_B { F5 }
+
+
+ /* Set 0 if debouncing isn't needed */
+#define DEBOUNCE 5
+
+// Underglow
+/*
+#undef RGBLED_NUM
+#define RGBLED_NUM 14    // Number of LEDs
+#define RGBLIGHT_ANIMATIONS
+#define RGBLIGHT_SLEEP
+*/
diff --git a/keyboards/lily58/keymaps/chuan/keymap.c b/keyboards/lily58/keymaps/chuan/keymap.c
new file mode 100644
index 0000000000..da49e67a0e
--- /dev/null
+++ b/keyboards/lily58/keymaps/chuan/keymap.c
@@ -0,0 +1,230 @@
+#include QMK_KEYBOARD_H
+
+#ifdef RGBLIGHT_ENABLE
+//Following line allows macro to read current RGB settings
+extern rgblight_config_t rgblight_config;
+#endif
+
+extern uint8_t is_master;
+
+#define _QWERTY 0
+#define _LOWER 1
+#define _RAISE 2
+#define _ADJUST 3
+
+enum custom_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  ADJUST,
+};
+
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+/* QWERTY
+ * ,-----------------------------------------.                    ,-----------------------------------------.
+ * | ESC  |   1  |   2  |   3  |   4  |   5  |                    |   6  |   7  |   8  |   9  |   0  |  `   |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |                    |   Y  |   U  |   I  |   O  |   P  |  -   |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * |HYPER |   A  |   S  |   D  |   F  |   G  |-------.    ,-------|   H  |   J  |   K  |   L  |   ;  |  '   |
+ * |------+------+------+------+------+------|   -   |    |    +  |------+------+------+------+------+------|
+ * |LShift|   Z  |   X  |   C  |   V  |   B  |-------|    |-------|   N  |   M  |   ,  |   .  |   /  |RShift|
+ * `-----------------------------------------/       /     \      \-----------------------------------------'
+ *                   | LCtl | LGUI |LALT  | /Space  /       \Space \  |RAISE |   [  |   ]  |
+ *                   |      |      |      |/ LOWER /         \      \ |   '  |      |      |
+ *                   `----------------------------'           '------''--------------------'
+ */
+
+ [_QWERTY] = LAYOUT(
+  KC_GESC,   KC_1,   KC_2,    KC_3,    KC_4,    KC_5,                        KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC, \
+  KC_TAB,   KC_Q,   KC_W,    KC_E,    KC_R,    KC_T,                        KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSLS, \
+  ALL_T(KC_GRV), KC_A,   KC_S,    KC_D,    KC_F,    KC_G,                        KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_ENTER, \
+  KC_LSFT,  KC_Z,   KC_X,    KC_C,    KC_V,    KC_B, KC_MINS,  MEH_T(KC_EQL),  KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH,  KC_RSFT, \
+                             KC_LCTRL, KC_LGUI, KC_LALT,LT(_LOWER, KC_SPC),        KC_SPC, LT(2,KC_QUOT),   KC_LBRC, KC_RBRC \
+),
+/* LOWER
+ * ,-----------------------------------------.                    ,-----------------------------------------.
+ * |      |      |      |      |      |      |                    |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |                    |  F7  |  F8  |  F9  | F10  | F11  | F12  |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * |   `  |   !  |   @  |   #  |   $  |   %  |-------.    ,-------|   ^  |   &  |   *  |   (  |   )  |   -  |
+ * |------+------+------+------+------+------| cmd spc|   |       |------+------+------+------+------+------|
+ * |      |      |      |ctrl c|      |      |-------|    |-------|      |   -  |   _  |   [  |   ]  |   |  |
+ * `-----------------------------------------/       /     \      \-----------------------------------------'
+ *                   | LAlt | LGUI |LOWER | /Space  /       \Enter \  |RAISE |  {   |  }   |
+ *                   |      |      |      |/       /         \      \ |      |      |      |
+ *                   `----------------------------'           '------''--------------------'
+ */
+[_LOWER] = LAYOUT(
+   KC_GRV, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC,                   KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_TILD, \
+  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,                     KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12, \
+  _______, _______, _______, _______, _______, _______,                   _______, _______, _______,_______, _______, _______,\
+  _______, _______, _______, C(KC_C), _______, _______, LGUI(KC_SPC), _______, _______, KC_MINS, KC_UNDS , KC_LBRC, KC_RBRC, KC_PIPE, \
+                             _______, _______, _______, _______, _______,  RAISE, KC_LCBR, KC_RCBR\
+),
+/* RAISE
+ * ,-----------------------------------------.                    ,-----------------------------------------.
+ * |      |      |      |      |      |      |                    |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * |   `  |   1  |   2  |   3  |   4  |   5  |                    |   6  |   7  |   8  |   9  |   0  |      |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |-------.    ,-------|      | Left | Down |  Up  |Right |      |
+ * |------+------+------+------+------+------|   [   |    |    ]  |------+------+------+------+------+------|
+ * |  F7  |  F8  |  F9  | F10  | F11  | F12  |-------|    |-------|   +  |   -  |   =  |   [  |   ]  |   \  |
+ * `-----------------------------------------/       /     \      \-----------------------------------------'
+ *                   | LAlt | LGUI |LOWER | /Space  /       \Enter \  |RAISE |BackSP| RGUI |
+ *                   |      |      |      |/       /         \      \ |      |      |      |
+ *                   `----------------------------'           '------''--------------------'
+ */
+
+[_RAISE] = LAYOUT(
+  KC_F1,  KC_F2,    KC_F3,   KC_F4,   KC_F5,   KC_F6,                       _______, KC_MRWD, KC_MPLY, KC_MFFD, KC_DEL, _______, \
+  KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,                      KC_6,    LCTL(LSFT(KC_TAB)),KC_UP,LCTL(KC_TAB),    KC_0,    _______, \
+  _______, _______, _______, _______, _______, _______,                     XXXXXXX, KC_LEFT, KC_DOWN, KC_RIGHT,   KC_RGHT, XXXXXXX, \
+  _______, _______, _______, _______, _______, _______, _______, TG(_ADJUST),KC_PLUS, KC_MUTE ,KC_VOLD  ,KC_VOLU, _______, _______,  \
+                             _______, _______, _______,  _______, _______,  _______, _______, _______ \
+),
+/* ADJUST
+ * ,-----------------------------------------.                    ,-----------------------------------------.
+ * |      |      |      |      |      |      |                    |      |  7   |   8  |   9  |RGB ON| HUE+ |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |                    |      |  4   |   5  |   6  | MODE | HUE- |
+ * |------+------+------+------+------+------|                    |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |-------.    ,-------|      |  1   |   2  |   3  | SAT+ | VAL+ |
+ * |------+------+------+------+------+------|       |    |DEFAULT|------+------+------+------+------+------|
+ * |      |      |      |      |      |      |-------|    |-------|      |  0   |   0  |   .  | SAT- | VAL- |
+ * `-----------------------------------------/       /     \      \-----------------------------------------'
+ *                   | LAlt | LGUI |LOWER | /Space  /       \Enter \  |RAISE |BackSP| RGUI |
+ *                   |      |      |      |/       /         \      \ |      |      |      |
+ *                   `----------------------------'           '------''--------------------'
+ */
+  [_ADJUST] = LAYOUT(
+  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX,  KC_7  ,  KC_8  ,  KC_9  , RGB_TOG, RGB_HUI, \
+  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX,  KC_4  ,  KC_5  ,  KC_6  , RGB_MOD, RGB_HUD, \
+  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX,  KC_1  ,  KC_2  ,  KC_3  , RGB_SAI, RGB_VAI, \
+  XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, TG(_ADJUST), XXXXXXX,  KC_0  ,  KC_0  , KC_DOT, RGB_SAD, RGB_VAD,\
+                             _______, _______, _______, _______, _______,  _______,KC_BSPC, _______ \
+  )
+};
+
+int RGB_current_mode;
+
+int counter = 0;
+int lastIndex = 9;
+
+// Setting ADJUST layer RGB back to default
+void update_tri_layer_RGB(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
+  if (IS_LAYER_ON(layer1) && IS_LAYER_ON(layer2)) {
+    layer_on(layer3);
+  } else {
+    layer_off(layer3);
+  }
+}
+
+void matrix_init_user(void) {
+    #ifdef RGBLIGHT_ENABLE
+      RGB_current_mode = rgblight_config.mode;
+    #endif
+}
+
+#ifdef OLED_DRIVER_ENABLE
+
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+  if (!is_keyboard_master())
+    return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
+  return rotation;
+}
+
+// When add source files to SRC in rules.mk, you can use functions.
+const char *read_layer_state(void);
+const char *read_logo(void);
+void set_keylog(uint16_t keycode, keyrecord_t *record);
+const char *read_keylog(void);
+const char *read_keylogs(void);
+
+const char *read_mode_icon(bool swap);
+const char *read_host_led_state(void);
+void set_timelog(void);
+const char *read_timelog(void);
+
+char encoder_debug[24];
+
+void oled_task_user(void) {
+  // Host Keyboard Layer Status
+  snprintf(encoder_debug, sizeof(encoder_debug), "%i   %i", counter, lastIndex );
+  if (is_keyboard_master()) {
+    // If you want to change the display of OLED, you need to change here
+    oled_write_ln(read_layer_state(), false);
+    // oled_write_ln(read_keylog(), false);
+    // oled_write_ln(read_keylogs(), false);
+    // oled_write_ln(read_mode_icon(keymap_config.swap_lalt_lgui), false);
+    oled_write_ln(read_host_led_state(), false);
+    oled_write_ln(encoder_debug, false);
+    // oled_write_ln(read_timelog(), false);
+  } else {
+    oled_write(read_logo(), false);
+    // oled_write_ln(encoder_debug, false);
+  }
+}
+#endif //OLED_DRIVER_ENABLE
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  if (record->event.pressed) {
+#ifdef SSD1306OLED
+    // set_keylog(keycode, record);
+#endif
+    // set_timelog();
+  }
+
+  switch (keycode) {
+    case QWERTY:
+      if (record->event.pressed) {
+        set_single_persistent_default_layer(_QWERTY);
+      }
+      return false;
+      break;
+    case LOWER:
+      if (record->event.pressed) {
+        layer_on(_LOWER);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_LOWER);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+      break;
+    case RAISE:
+      if (record->event.pressed) {
+        layer_on(_RAISE);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_RAISE);
+        update_tri_layer_RGB(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+      break;
+    case ADJUST:
+        if (record->event.pressed) {
+          layer_on(_ADJUST);
+        } else {
+          layer_off(_ADJUST);
+        }
+        return false;
+        break;
+  }
+  return true;
+}
+
+void encoder_update_user(uint8_t index, bool clockwise) {
+    lastIndex = index;
+    if (clockwise) {
+        counter++;
+        tap_code(KC_PGDN);
+    } else {
+        counter--;
+        tap_code(KC_PGUP);
+    }
+}
diff --git a/keyboards/lily58/keymaps/chuan/rules.mk b/keyboards/lily58/keymaps/chuan/rules.mk
new file mode 100644
index 0000000000..3e05cb7d92
--- /dev/null
+++ b/keyboards/lily58/keymaps/chuan/rules.mk
@@ -0,0 +1,11 @@
+EXTRAKEY_ENABLE = yes
+NKRO_ENABLE = yes
+ENCODER_ENABLE = yes
+# If you want to change the display of OLED, you need to change here
+SRC +=  ./lib/rgb_state_reader.c \
+        ./lib/layer_state_reader.c \
+        ./lib/logo_reader.c \
+        ./lib/mode_icon_reader.c \
+        ./lib/host_led_state_reader.c \
+        ./lib/timelogger.c \
+        ./lib/keylogger.c \
diff --git a/keyboards/lily58/keymaps/default/config.h b/keyboards/lily58/keymaps/default/config.h
index 58bbdc5e9d..6b9e52c05e 100644
--- a/keyboards/lily58/keymaps/default/config.h
+++ b/keyboards/lily58/keymaps/default/config.h
@@ -28,8 +28,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 // #define MASTER_RIGHT
 // #define EE_HANDS
 
-#define SSD1306OLED
-
 #define USE_SERIAL_PD2
 
 #define TAPPING_FORCE_HOLD
@@ -49,4 +47,4 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #define RGBLED_NUM 14    // Number of LEDs
 #define RGBLIGHT_ANIMATIONS
 #define RGBLIGHT_SLEEP
-*/
\ No newline at end of file
+*/
diff --git a/keyboards/lily58/keymaps/default/keymap.c b/keyboards/lily58/keymaps/default/keymap.c
index f36248e12d..f0fbaa8b0d 100644
--- a/keyboards/lily58/keymaps/default/keymap.c
+++ b/keyboards/lily58/keymaps/default/keymap.c
@@ -8,8 +8,6 @@
   #include "ssd1306.h"
 #endif
 
-
-
 #ifdef RGBLIGHT_ENABLE
 //Following line allows macro to read current RGB settings
 extern rgblight_config_t rgblight_config;
@@ -135,16 +133,18 @@ void matrix_init_user(void) {
     #ifdef RGBLIGHT_ENABLE
       RGB_current_mode = rgblight_config.mode;
     #endif
-    //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
-    #ifdef SSD1306OLED
-        iota_gfx_init(!has_usb());   // turns on the display
-    #endif
 }
 
-//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
-#ifdef SSD1306OLED
+//SSD1306 OLED update loop, make sure to enable OLED_DRIVER_ENABLE=yes in rules.mk
+#ifdef OLED_DRIVER_ENABLE
 
-// When add source files to SRC in rules.mk, you can use functions.
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+  if (!is_keyboard_master())
+    return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
+  return rotation;
+}
+
+// When you add source files to SRC in rules.mk, you can use functions.
 const char *read_layer_state(void);
 const char *read_logo(void);
 void set_keylog(uint16_t keycode, keyrecord_t *record);
@@ -156,42 +156,24 @@ const char *read_keylogs(void);
 // void set_timelog(void);
 // const char *read_timelog(void);
 
-void matrix_scan_user(void) {
-   iota_gfx_task();
-}
-
-void matrix_render_user(struct CharacterMatrix *matrix) {
-  if (is_master) {
+void oled_task_user(void) {
+  if (is_keyboard_master()) {
     // If you want to change the display of OLED, you need to change here
-    matrix_write_ln(matrix, read_layer_state());
-    matrix_write_ln(matrix, read_keylog());
-    matrix_write_ln(matrix, read_keylogs());
-    //matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
-    //matrix_write_ln(matrix, read_host_led_state());
-    //matrix_write_ln(matrix, read_timelog());
+    oled_write_ln(read_layer_state(), false);
+    oled_write_ln(read_keylog(), false);
+    oled_write_ln(read_keylogs(), false);
+    //oled_write_ln(read_mode_icon(keymap_config.swap_lalt_lgui), false);
+    //oled_write_ln(read_host_led_state(), false);
+    //oled_write_ln(read_timelog(), false);
   } else {
-    matrix_write(matrix, read_logo());
-  }
-}
-
-void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
+    oled_write(read_logo(), false);
   }
 }
-
-void iota_gfx_task_user(void) {
-  struct CharacterMatrix matrix;
-  matrix_clear(&matrix);
-  matrix_render_user(&matrix);
-  matrix_update(&display, &matrix);
-}
-#endif//SSD1306OLED
+#endif // OLED_DRIVER_ENABLE
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   if (record->event.pressed) {
-#ifdef SSD1306OLED
+#ifdef OLED_DRIVER_ENABLE
     set_keylog(keycode, record);
 #endif
     // set_timelog();
diff --git a/keyboards/lily58/keymaps/default/rules.mk b/keyboards/lily58/keymaps/default/rules.mk
index b39305767b..a5b6303a1e 100644
--- a/keyboards/lily58/keymaps/default/rules.mk
+++ b/keyboards/lily58/keymaps/default/rules.mk
@@ -15,13 +15,13 @@ UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight. 
 SWAP_HANDS_ENABLE = no      # Enable one-hand typing
+OLED_DRIVER_ENABLE= yes     # OLED display
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
 # If you want to change the display of OLED, you need to change here
-SRC +=  ./lib/glcdfont.c \
-        ./lib/rgb_state_reader.c \
+SRC +=  ./lib/rgb_state_reader.c \
         ./lib/layer_state_reader.c \
         ./lib/logo_reader.c \
         ./lib/keylogger.c \
diff --git a/keyboards/lily58/keymaps/yuchi/keymap.c b/keyboards/lily58/keymaps/yuchi/keymap.c
index 13b6cb1687..d258fbcbc0 100644
--- a/keyboards/lily58/keymaps/yuchi/keymap.c
+++ b/keyboards/lily58/keymaps/yuchi/keymap.c
@@ -112,7 +112,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
  *                   |LOWER | LGUI | Alt  | /Space  /       \Enter \  |BackSP| RGUI |RAISE |
  *                   |      |      |      |/       /         \      \ |      |      |      |
  *                   `----------------------------'           '------''--------------------'
- */ 
+ */
   [_ADJUST] = LAYOUT( \
   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX,                   XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, \
@@ -137,14 +137,16 @@ void matrix_init_user(void) {
     #ifdef RGBLIGHT_ENABLE
       RGB_current_mode = rgblight_config.mode;
     #endif
-    //SSD1306 OLED init, make sure to add #define SSD1306OLED in config.h
-    #ifdef SSD1306OLED
-        iota_gfx_init(!has_usb());   // turns on the display
-    #endif
 }
 
-//SSD1306 OLED update loop, make sure to add #define SSD1306OLED in config.h
-#ifdef SSD1306OLED
+//SSD1306 OLED update loop, make sure to enable OLED_DRIVER_ENABLE=yes in rules.mk
+#ifdef OLED_DRIVER_ENABLE
+
+oled_rotation_t oled_init_user(oled_rotation_t rotation) {
+  if (!is_keyboard_master())
+    return OLED_ROTATION_180;  // flips the display 180 degrees if offhand
+  return rotation;
+}
 
 // When add source files to SRC in rules.mk, you can use functions.
 const char *read_layer_state(void);
@@ -165,35 +167,22 @@ void matrix_scan_user(void) {
 void matrix_render_user(struct CharacterMatrix *matrix) {
   if (is_master) {
     // If you want to change the display of OLED, you need to change here
-    matrix_write_ln(matrix, read_layer_state());
-    matrix_write_ln(matrix, read_keylog());
-    matrix_write_ln(matrix, read_keylogs());
-    //matrix_write_ln(matrix, read_mode_icon(keymap_config.swap_lalt_lgui));
-    //matrix_write_ln(matrix, read_host_led_state());
-    //matrix_write_ln(matrix, read_timelog());
+    oled_write_ln(read_layer_state(), false);
+    oled_write_ln(read_keylog(), false);
+    oled_write_ln(read_keylogs(), false);
+    //oled_write_ln(read_mode_icon(keymap_config.swap_lalt_lgui), false);
+    //oled_write_ln(read_host_led_state(), false);
+    //oled_write_ln(read_timelog(), false);
   } else {
-    matrix_write(matrix, read_logo());
+    oled_write(read_logo(), false);
   }
 }
 
-void matrix_update(struct CharacterMatrix *dest, const struct CharacterMatrix *source) {
-  if (memcmp(dest->display, source->display, sizeof(dest->display))) {
-    memcpy(dest->display, source->display, sizeof(dest->display));
-    dest->dirty = true;
-  }
-}
-
-void iota_gfx_task_user(void) {
-  struct CharacterMatrix matrix;
-  matrix_clear(&matrix);
-  matrix_render_user(&matrix);
-  matrix_update(&display, &matrix);
-}
 #endif//SSD1306OLED
 
 bool process_record_user(uint16_t keycode, keyrecord_t *record) {
   if (record->event.pressed) {
-#ifdef SSD1306OLED
+#ifdef OLED_DRIVER_ENABLE
     set_keylog(keycode, record);
 #endif
     // set_timelog();
@@ -236,4 +225,4 @@ bool process_record_user(uint16_t keycode, keyrecord_t *record) {
         break;
   }
   return true;
-}
\ No newline at end of file
+}
diff --git a/keyboards/lily58/keymaps/yuchi/rules.mk b/keyboards/lily58/keymaps/yuchi/rules.mk
index 922fac6b69..0db9ac50fa 100644
--- a/keyboards/lily58/keymaps/yuchi/rules.mk
+++ b/keyboards/lily58/keymaps/yuchi/rules.mk
@@ -13,15 +13,14 @@ MIDI_ENABLE = no            # MIDI controls
 AUDIO_ENABLE = no           # Audio output on port C6
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
-RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight. 
+RGBLIGHT_ENABLE = yes       # Enable WS2812 RGB underlight.
 SWAP_HANDS_ENABLE = no      # Enable one-hand typing
 
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 SLEEP_LED_ENABLE = no    # Breathing sleep LED during USB suspend
 
 # If you want to change the display of OLED, you need to change here
-SRC +=  ./lib/glcdfont.c \
-        ./lib/rgb_state_reader.c \
+SRC +=  ./lib/rgb_state_reader.c \
         ./lib/layer_state_reader.c \
         ./lib/logo_reader.c \
         ./lib/keylogger.c \